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by DonHopkins 458 days ago
Speaking of filters and clear ergonomic abstractions, if you like programming languages with keyword pairs like if/fi, for/rof, while/elihw, goto/otog, you will LOVE the cabkwards covabulary of cepstral quefrency alanysis, invented in 1963 by B. P. Bogert, M. J. Healy, and J. W. Tukey:

cepstrum: inverse spectrum

lifter: inverse filter

saphe: inverse phase

quefrency alanysis: inverse frequency analysis

gisnal orpcessing: inverse signal processing

https://en.wikipedia.org/wiki/Cepstrum